Stefan Ceramics is in the business of selling ceramic vases. It has two departments - molding and finishing. Molding department purchases tungsten carbide and produces ceramic vases out of it. Ceramic Vases are then transferred to finishing department, which designs it as per the requirement of the customers. During the month of July, molding department purchased 500 kgs of tungsten carbide at $60 per kg. It started manufacture of 4,000 vases and completed and transferred 3,500 vases during the month. It has 500 vases in the process at the end of the month. It incurred direct labor charges of $1,200 and other manufacturing costs of $1,200, which included electricity costs of $1,100. Stefan had no inventory of tungsten carbide at the end of the month. It also had no beginning inventory of vases. The ending inventory was 40% complete in respect of conversion costs. What is the total conversion costs for the month of July? O A. $2,400 O B. $3,500 OC. $1,200 OD. $1,300